Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(70)

Side by Side Diff: source/libvpx/test/vp8_fdct4x4_test.cc

Issue 232133009: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 6 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « source/libvpx/test/vp8_decrypt_test.cc ('k') | source/libvpx/test/vp9_lossless_test.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /* 1 /*
2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved. 2 * Copyright (c) 2013 The WebM project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
61 op[3] = (a1 - d1 + 4) >> 3; 61 op[3] = (a1 - d1 + 4) >> 3;
62 op[1] = (b1 + c1 + 4) >> 3; 62 op[1] = (b1 + c1 + 4) >> 3;
63 op[2] = (b1 - c1 + 4) >> 3; 63 op[2] = (b1 - c1 + 4) >> 3;
64 ip += 4; 64 ip += 4;
65 op += 4; 65 op += 4;
66 } 66 }
67 } 67 }
68 68
69 using libvpx_test::ACMRandom; 69 using libvpx_test::ACMRandom;
70 70
71 TEST(Vp8FdctTest, SignBiasCheck) { 71 TEST(VP8FdctTest, SignBiasCheck) {
72 ACMRandom rnd(ACMRandom::DeterministicSeed()); 72 ACMRandom rnd(ACMRandom::DeterministicSeed());
73 int16_t test_input_block[16]; 73 int16_t test_input_block[16];
74 int16_t test_output_block[16]; 74 int16_t test_output_block[16];
75 const int pitch = 8; 75 const int pitch = 8;
76 int count_sign_block[16][2]; 76 int count_sign_block[16][2];
77 const int count_test_block = 1000000; 77 const int count_test_block = 1000000;
78 78
79 memset(count_sign_block, 0, sizeof(count_sign_block)); 79 memset(count_sign_block, 0, sizeof(count_sign_block));
80 80
81 for (int i = 0; i < count_test_block; ++i) { 81 for (int i = 0; i < count_test_block; ++i) {
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
120 120
121 bias_acceptable = true; 121 bias_acceptable = true;
122 for (int j = 0; j < 16; ++j) 122 for (int j = 0; j < 16; ++j)
123 bias_acceptable = bias_acceptable && 123 bias_acceptable = bias_acceptable &&
124 (abs(count_sign_block[j][0] - count_sign_block[j][1]) < 100000); 124 (abs(count_sign_block[j][0] - count_sign_block[j][1]) < 100000);
125 125
126 EXPECT_EQ(true, bias_acceptable) 126 EXPECT_EQ(true, bias_acceptable)
127 << "Error: 4x4 FDCT has a sign bias > 10% for input range [-15, 15]"; 127 << "Error: 4x4 FDCT has a sign bias > 10% for input range [-15, 15]";
128 }; 128 };
129 129
130 TEST(Vp8FdctTest, RoundTripErrorCheck) { 130 TEST(VP8FdctTest, RoundTripErrorCheck) {
131 ACMRandom rnd(ACMRandom::DeterministicSeed()); 131 ACMRandom rnd(ACMRandom::DeterministicSeed());
132 int max_error = 0; 132 int max_error = 0;
133 double total_error = 0; 133 double total_error = 0;
134 const int count_test_block = 1000000; 134 const int count_test_block = 1000000;
135 for (int i = 0; i < count_test_block; ++i) { 135 for (int i = 0; i < count_test_block; ++i) {
136 int16_t test_input_block[16]; 136 int16_t test_input_block[16];
137 int16_t test_temp_block[16]; 137 int16_t test_temp_block[16];
138 int16_t test_output_block[16]; 138 int16_t test_output_block[16];
139 139
140 // Initialize a test block with input range [-255, 255]. 140 // Initialize a test block with input range [-255, 255].
(...skipping 14 matching lines...) Expand all
155 } 155 }
156 156
157 EXPECT_GE(1, max_error ) 157 EXPECT_GE(1, max_error )
158 << "Error: FDCT/IDCT has an individual roundtrip error > 1"; 158 << "Error: FDCT/IDCT has an individual roundtrip error > 1";
159 159
160 EXPECT_GE(count_test_block, total_error) 160 EXPECT_GE(count_test_block, total_error)
161 << "Error: FDCT/IDCT has average roundtrip error > 1 per block"; 161 << "Error: FDCT/IDCT has average roundtrip error > 1 per block";
162 }; 162 };
163 163
164 } // namespace 164 } // namespace
OLDNEW
« no previous file with comments | « source/libvpx/test/vp8_decrypt_test.cc ('k') | source/libvpx/test/vp9_lossless_test.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698